@misc{diaz_faes_2019_3373419, author = {Díaz-Faes, Adrián Arias}, title = {{Measuring societal impact of Science on Twitter: Four types of engagement.}}, month = sep, year = 2019, publisher = {Zenodo}, doi = {10.5281/zenodo.3373419}, url = {https://doi.org/10.5281/zenodo.3373419} }